CELLS Flashcards

1
Q

Movement of material into cells by formation of vesicle

A

Endocytosis

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2
Q

Secretion of material from cell by vesicle

A

Exocytosis

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3
Q

Basic living unit of life

A

Cell

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4
Q

Study of cells

A

Cytology

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5
Q

Study of cellular function

A

Cell Physiology

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6
Q

Specialized structures

A

Organelles

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7
Q

Surrounds nucleus

A

Cell Membrane

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8
Q

Arrangement of cells in the cell membrane

A

Fluid-Mosaic Model

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9
Q

Allows substances to pass in or out of the cells

A

Selectively permeable

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10
Q

Diffusion of water across a selectively permeable membrane

A

Osmosis

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11
Q

Lower Concentration

A

Hypotonic

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12
Q

Higher concentration

A

Hypertonic

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13
Q

Same concentration

A

Isotonic

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14
Q

Movement of a solute from an area

A

Diffusion

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15
Q

Concentration of solute

A

Concentration Gradient

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16
Q

Moves substances from a higher to lower concentration

A

Facilitated diffusion

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17
Q

Movement of a substance across a membrane by means a carrier of molecule

A

Carrier-Mediated Transport

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18
Q

Does not require the cell to expand energy

A

Passive Membrane Transport

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19
Q

Does recquire the cell to expand energy

A

Active Membrane Transport

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20
Q

Moves substances from lower to higher concentration; requires atp

A

Active Transportation

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21
Q

Uses the energy of one substance moving down its concentration

A

Secondary Active Transport

22
Q

Cell eating

A

Phagocytosis

23
Q

Cell-drinking

A

Pinocytosis

24
Q

Cell’s Framework

A

Cytoskeleton

25
Types of Cytoskeleton
Microtubules Intermediate filament Microfilament
26
Provide structural support ; Assist in cell division
Microtubules
27
Medium diameter;maintains cell shape
Intermediate filament
28
Smallest diameter; determine cell shape
Microfilaments
29
Nucleotide Pairs
Cytosine - Guanine Thymine - Adenine
30
The process in which the information in DNA directs protein synthesis
Gene Expression
31
Process in which DNA is read
Transcription
32
Process by mRNA is converted into amino acids (polypeptides)
Translation
33
Series of events that produce new cells for growth and tissue repair
Cell Cycle
34
Two phases of cell cycle
Interphase Cell division
35
The non-dividing phase in which the DNA replicates
Interphase
36
Formation of two daughter cells from a single parent
Cell Division
37
The cell contains how many chromosomes?
46
38
Divided into four phases
Mitosis
39
Four stages of Mitosis
Prophase Metaphate Anaphase Telophase
40
Each chromosomes consists of two chromatids joined at centromere
Prophase
41
Chromosomes align
Metaphase
42
Chromatids separate
Anaphase
43
Two separate nuclei; cell division is completed
Telophase
44
Called the "sex cells"
Meiosis
45
XX
Female
46
XY
Male
47
Cells develop specialized structures and functions
Differentiation
48
Programmed cell death ;regulates cells within cell tissues
Apoptosis
49
Sequence of nucleotides
Genes
50
Meaning of mRNA
Messenger RNA
51
Meaning of TRNA
Translation RNA